<template>
<div>
  <!-- 一条文章单元格 -->
  <van-cell>
    <!-- 标题区域的插槽 -->
    <template #title>
      <div class="title-box">
        <!-- 标题 -->
        <span>{{ artObj.title }}</span>
        <!-- 单图 -->
        <img
          v-if="artObj.cover.type === 1"
          class="thumb"
          :src="artObj.cover.images[0]"
          alt=""
        />
      </div>
      <!-- 多图 -->
      <div class="thumb-box" v-if="artObj.cover.type > 1">
        <img
          class="thumb"
          v-for="(imgsrc, index) in artObj.cover.images"
          :key="index"
          :src="imgsrc"
          alt=""
        />
      </div>
    </template>
    <!-- label 区域的插槽 -->
    <template #label>
      <div class="label-box">
        <div>
          <span>{{ artObj.aut_name }}</span>
          <span>{{ artObj.comm_count }}评论</span>
          <span>{{ formDate (artObj.pubdate) }}</span>
        </div>
        <!-- 反馈按钮 -->
        <van-icon name="cross" @click="crossFn()" />
      </div>
    </template>
  </van-cell>
  </div>
</template>

<script>
import dayjs from 'dayjs'
import * as relativeTime from 'dayjs/plugin/relativeTime'
import 'dayjs/locale/zh-cn' // import locale
import { mapMutations } from 'vuex'
dayjs.extend(relativeTime)

dayjs.locale('zh-cn') // use locale
export default {
  props: {
    artObj: Object
  },
  methods: {
    ...mapMutations(['changehomeArticleActionShow', 'setartIdMutationsFn']),
    // formDate 格式化多久以前
    formDate (dateStr) {
      var a = dayjs()
      var b = dayjs(dateStr)
      return a.to(b) // 2 years ago
    },
    // 反馈按钮的调用函数
    crossFn () {
      this.changehomeArticleActionShow(true)
      this.setartIdMutationsFn(this.artObj.art_id)
    }
  }
}
</script>

<style scoped lang="less">
/* 标题样式 */
.title-box {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

/* label描述样式 */
.label-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 文章信息span */
.label-box span {
  margin: 0 3px;
  &:first-child {
    margin-left: 0;
  }
}
/* 图片的样式, 矩形黄金比例：0.618 */
.thumb {
  width: 113px;
  height: 70px;
  background-color: #f8f8f8;
  object-fit: cover;
}

/* 三图, 图片容器 */
.thumb-box {
  display: flex;
  justify-content: space-between;
}
</style>
